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111
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1 /* { dg-require-effective-target vect_int } */
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2
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3 #include <stdarg.h>
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4 #include "tree-vect.h"
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5
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6 #define N 128
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7
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8 typedef struct {
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9 unsigned short a;
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10 unsigned short b;
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11 unsigned short c;
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12 unsigned short d;
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13 } s;
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14
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15 volatile int y = 0;
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16
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17 __attribute__ ((noinline)) int
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18 main1 ()
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19 {
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20 s arr[N];
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21 s *ptr = arr;
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22 s res[N];
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23 int i;
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24
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25 for (i = 0; i < N; i++)
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26 {
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27 arr[i].a = i;
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28 arr[i].b = i * 2;
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29 arr[i].c = 17;
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30 arr[i].d = i+34;
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31 if (y) /* Avoid vectorization. */
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32 abort ();
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33 }
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34
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35 for (i = 0; i < N; i++)
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36 {
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37 unsigned short x, y, z, w;
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38 x = ptr->b - ptr->a;
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39 y = ptr->d - ptr->c;
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40 res[i].c = x + y;
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41 z = ptr->a + ptr->c;
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42 w = ptr->b + ptr->d;
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43 res[i].a = z + w;
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44 res[i].d = x + y;
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45 res[i].b = x + y;
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46 ptr++;
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47 }
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48
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49 /* check results: */
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50 for (i = 0; i < N; i++)
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51 {
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52 if (res[i].c != arr[i].b - arr[i].a + arr[i].d - arr[i].c
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53 || res[i].a != arr[i].a + arr[i].c + arr[i].b + arr[i].d
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54 || res[i].d != arr[i].b - arr[i].a + arr[i].d - arr[i].c
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55 || res[i].b != arr[i].b - arr[i].a + arr[i].d - arr[i].c)
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56 abort ();
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57 }
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58
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59 return 0;
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60 }
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61
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62 int main (void)
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63 {
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64 int i;
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65
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66 check_vect ();
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67
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68 main1 ();
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69
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70 return 0;
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71 }
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72
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73 /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" { target vect_strided4 } } } */
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74
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